Website & contact details
- Group website
- The site of this company’s group or brand.
Next15 Holdco1 Limited
- Incorporated
- 18 May 2003 (23 years)
- Previously known as
- House 337 Limited (until 20 March 2026)Next15 Holdco1 Limited (until 30 January 2026)Elvis Communications Limited (until 29 January 2026)Earlier: Oval (1847) Limited
- Industry
- Advertising agencies (73110)
- Owned by
- Accounts type
- Audit exemption subsidiary
- Region
- Greater London
- Address
- 60 Great Portland StreetLondonW1W 7RT
Filing status
- Accounts due
- 31 October 2026 (overdue)
- Last accounts
- 31 January 2025
- Conf. stmt due
- 15 June 2027
- Last conf. stmt
- 1 June 2026
Late accounts bring an automatic penalty and can get a company struck off.
Charges
- Total
- 2
- Outstanding
- 0
- Part satisfied
- 0
- Satisfied
- 2
Officers 3 active
Officer details are public data from the Companies House register.
Director · Appointed 9 January 2026
British
Born August 1982 (44)
Director · Appointed 11 June 2025
British
Born April 1967 (59)
Sanford, Mark John
Secretary · Appointed 30 April 2022
Officer history (32 former)
9 January 2026
9 January 2026
16 July 2025
Resigned Whitehouse, Tanya as Director
11 June 2025
30 May 2025
30 April 2022
Appointed Sanford, Mark John as Secretary
30 April 2022
Resigned Wood, Emma Louise as Secretary
11 December 2020
Appointed Wood, Emma Louise as Secretary
11 December 2020
Resigned Lee Morrison, Nicholas as Secretary
9 September 2019
30 April 2019
1 October 2018
Appointed Lee Morrison, Nicholas as Secretary
14 September 2017
Resigned Quinn, Sean Alexander as Director
14 September 2017
14 September 2017
14 September 2017
Resigned Semmens, Martin as Director
14 September 2017
Appointed Whitehouse, Tanya as Director
14 September 2017
14 September 2017
14 September 2017
Resigned Rawlins, Steve as Secretary
3 March 2017
3 March 2017
Appointed Quinn, Sean Alexander as Director
18 November 2015
18 November 2015
2 December 2014
16 October 2013
Appointed Rawlins, Steve as Secretary
16 October 2013
16 October 2013
16 October 2013
16 October 2013
16 October 2013
16 October 2013
16 October 2013
16 October 2013
16 October 2013
Resigned Giguère, Sandra as Secretary
1 April 2013
1 April 2013
31 January 2013
13 August 2012
30 April 2012
Appointed Giguère, Sandra as Secretary
30 April 2012
30 April 2012
30 April 2012
31 October 2011
1 March 2011
5 June 2009
25 August 2008
25 August 2008
27 September 2007
27 May 2007
8 February 2007
8 February 2007
30 August 2005
30 August 2005
30 August 2005
30 August 2005
30 August 2005
1 June 2004
1 June 2004
1 June 2004
1 June 2004
1 June 2004
Appointed Semmens, Martin as Director
1 June 2004
1 June 2004
1 June 2004
18 May 2003
18 May 2003
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 14 September 2017
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. 01579589
Former controllers (1)
14 September 2017
Ceased Edc Communications Limited — Owns 75–100% of shares
Group structure 31 shown
Ownership group derived from the Companies House PSC register
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Cloudfy Limited Owns 75–100% of shares
Conversion Rate Experts Limited Owns 75–100% of shares
Cubaka Limited Owns 75–100% of shares
Williams Commerce Holdings Limited Owns 75–100% of shares
Williams Commerce Limited Owns 75–100% of shares
Engine Acquisition Limited Owns 75–100% of shares
The Engine Group Limited Owns 75–100% of shares
Engine People UK Limited Owns 75–100% of shares
Engine Partners UK LLP Holds 25–50% of voting rights
Mach49 Ltd Owns 75–100% of shares
Marker Collective Limited Owns 75–100% of shares
Archetype Agency Limited Owns 75–100% of shares
Outcast London Limited Owns 75–100% of shares
MHP Group Limited Owns 75–100% of shares
Lucas Hood Ltd Owns 75–100% of shares
Tuva Partners Limited Owns 75–100% of shares
Next15 Holdco1 Limited This company Owns 75–100% of shares
Next15 Holdco2 Limited Owns 75–100% of shares
Next15 Holdco3 Limited Owns 75–100% of shares
Plinc Limited Owns 75–100% of shares
Portfolio T SPV2 Limited Owns 75–100% of shares
Pretzl Group Limited Owns 75–100% of shares
Berne (UK) Limited Owns 75–100% of shares
I T Telemarketing Services Limited Owns 75–100% of shares
The Craft Consulting Limited Owns 75–100% of shares
Publitek Limited Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 7 November 2026 | Other filing | |||
| 7 November 2026 | Other filing | |||
| 1 June 2026 | Confirmation statement with updates | 1 June 2026 | ||
| 20 March 2026 | Certificate of change of name | |||
| 30 January 2026 | Certificate of change of name |
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